Tips for Adjusting to Daylight Saving Time
- Stacey-Anne Bistak
- 3 hours ago
- 4 min read
Updated: 12 minutes ago
And why springing forward feels so rough
Daylight Saving Time (DST) does not just steal an hour from your weekend—it nudges a finely tuned biological system that touches everything from your heart to your mood.
All of us have a 24-hour clock, a circadian rhythm that helps regulate our sleep and wake cycle. When we move the clocks ahead, we ask this internal 24-hour clock to suddenly shift. Misalignment between forcing our clock to move forward before nature’s clock, and also the demands of our work and school create confusion in our internal system. It results in sleep loss and increased stress hormones.
Sleep and circadian specialists now argue that this one-hour jump ahead does more harm than good, and they favor permanent standard time. That light in the early morning anchors a healthy circadian rhythm. On the contrary, extending evening light as DST does, delays sleep and shortens rest.
What the research says about risks
Epidemiologic studies have repeatedly observed an increase in adverse events in the days after the springtime change, especially on the Monday following the change, when we combine sleep loss, stress, and an abrupt schedule shift.
24% more heart attacks, according to a Michigan hospital
8% higher ischemic stroke rates in the first two days (as observed in a Finnish cohort)
An increase in traffic accidents, mood disturbances, and other safety and health issues.
Newer and larger data sets do not show a clear spike in heart events. But experts do agree that sleep loss and circadian disruption over time contribute to cardiovascular and mental health risks. Besides, even small increases in population-level risk do matter when it happens to millions of people at once.
This Bolt from the Blue Gives Your Systems the Blues
Circadian rhythm not only regulates your sleep-wake cycle. It coordinates hormones, metabolism, immune function, and brain health over 24 hours. Cortisol normally peaks around the time you wake up to mobilize energy, and steadily falls to a low at night so you can enter deep and restorative sleep.
What happens when sleep is cut short or mistimed?
Cortisol remains higher later in the day, increasing stress and straining metabolic pathways.
Systems that rely on proper cortisol mechanisms, such as liver glucose regulation, appetite, and the clocks in all our internal organs, shift out of sync, impairing metabolic control
The immune system does not get the right signals. This increases inflammation and reduces immune resilience.
Mood and cognitive function take a hit. Observational data show a very clear correlation between circadian misalignment and higher rates of depression and suicidal behavior.
Note: When you sleep and wake relative to your internal clock predicts your health outcomes. Circadian misalignment reduces insulin sensitivity and impairs performance even when you get your required hours of sleep.
Consistency matters
Those who have the same bedtime and wake time even on the weekends are less affected by a shift such as DST. However, those with irregular sleep schedules tend to report more fatigue, mood problems, and metabolic issues.
The person who wakes early to go to work on weekdays, stays up late at night every day with bright screens, and tries to catch up on sleep on the weekends, is at a greater disadvantage than the person with a consistent schedule. Without proper preparation, DST becomes the final straw that breaks the already stressed-out system.
An Important Shift You Can Make Tonight
You can train your body clock to move ahead. Here are some evidence-based steps from sleep and circadian experts:
Start shifting your schedule by 15 to 20 minutes ahead. Go to bed and wake up 15 to 20 minutes earlier for a few nights before the change.
Move meals and exercise earlier by the same amount, which helps synchronize your internal clocks with your new sleep time.
Get bright light as soon as you can after waking up, and make sure you dim the lights at night.
Aim for a bit more sleep in the days leading up to the change.
Keep your wake-up time steady after the switch. Resist the urge to sleep in.
Notes :
For some people, especially shift workers and those with insomnia, short-term and low-dose melatonin under a practitioner’s guidance can help realign the circadian clock. Light management and consistent timing should be tried first.
Blends of essential oils can also be used as all-natural but powerful tools to reset your circadian rhythm and minimize all the health risks associated with the time change. This blend has a limited-time special with code SLEEP20.
How to Protect Your Rhythm All Year Round
If you want this DST shift to be a non-event next year, build a circadian-friendly lifestyle right now:
Maintain fixed bed and wake times seven days a week.
Go outside shortly after waking.
Align meals with daylight. Avoid large meals late at night, which clash with metabolic rhythms and worsen glucose control
Create a relaxing pre-sleep routine: no caffeine late in the day, minimal alcohol, and screens off at least 30 minutes before bed.
Prioritize sleep when life gets busy: chronic partial sleep loss disrupts cortisol rhythms, stresses the immune system, and compounds the impact of events like DST.
There is no need to fear the clock change, but you should not ignore what it reveals. When your circadian rhythm is off, everything tries to go offline. A few small and deliberate changes tonight can make this weekend safer and a lot less disruptive. Sleep tight!
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